>>19628339Eh, it seems to be sort of implied. Kanto, Johto, Hoenn, and Sinnoh are all based on parts of Japan or Japanese islands. Unova is based on New York and is also the first region to focus characters of a darker skin tone than a Japanese tan. Kalos is based on northern France.
It wouldn't be a stretch to say the respective region's cultures are all influenced by their real world inspirations.